{"id":"CVE-2021-35123","aliases":["3032290","A-213239948","ASB-A-213239948","EUVD-2021-21767","GHSA-88pj-4633-qpww"],"status":"published","title":"Buffer copy in GATT multi notification due to improper length check for the data coming over-the...","description":"Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00291,"percentile":0.21927,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2022-04-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/vendor/qcom-opensource/system/bt","fixed_in":["SoCVersion:2022-04-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/vendor/qcom-opensource/system/bt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2022-04-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"qualcomm","product":"aqt1000_firmware"},{"vendor":"qualcomm","product":"qca6390_firmware"},{"vendor":"qualcomm","product":"qca6391_firmware"},{"vendor":"qualcomm","product":"sd480_firmware"},{"vendor":"qualcomm","product":"sd660_firmware"},{"vendor":"qualcomm","product":"sd778g_firmware"},{"vendor":"qualcomm","product":"sd780g_firmware"},{"vendor":"qualcomm","product":"sd855_firmware"},{"vendor":"qualcomm","product":"sd865_5g_firmware"},{"vendor":"qualcomm","product":"sd870_firmware"},{"vendor":"qualcomm","product":"sd888_5g_firmware"},{"vendor":"qualcomm","product":"sd_8_gen1_5g_firmware"},{"vendor":"qualcomm","product":"sdx55m_firmware"},{"vendor":"qualcomm","product":"sm6375_firmware"},{"vendor":"qualcomm","product":"sm7325p_firmware"},{"vendor":"qualcomm","product":"wcd9335_firmware"},{"vendor":"qualcomm","product":"wcd9370_firmware"},{"vendor":"qualcomm","product":"wcd9375_firmware"},{"vendor":"qualcomm","product":"wcd9380_firmware"},{"vendor":"qualcomm","product":"wcd9385_firmware"},{"vendor":"qualcomm","product":"wcn3980_firmware"},{"vendor":"qualcomm","product":"wcn3988_firmware"},{"vendor":"qualcomm","product":"wcn3991_firmware"},{"vendor":"qualcomm","product":"wcn3998_firmware"},{"vendor":"qualcomm","product":"wcn6740_firmware"},{"vendor":"qualcomm","product":"wcn6750_firmware"},{"vendor":"qualcomm","product":"wcn6850_firmware"},{"vendor":"qualcomm","product":"wcn6851_firmware"},{"vendor":"qualcomm","product":"wcn6855_firmware"},{"vendor":"qualcomm","product":"wcn6856_firmware"},{"vendor":"qualcomm","product":"wsa8830_firmware"},{"vendor":"qualcomm","product":"wsa8835_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon connectivity, snapdragon industrial iot"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/april-2022-bulletin","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35123"},{"url":"https://github.com/advisories/GHSA-88pj-4633-qpww"},{"url":"https://source.android.com/security/bulletin/2022-04-01","tags":["advisory"]},{"url":"https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/system/bt/commit/?id=2ea716990f7978683deb30eb6b791205d1206c59","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-35123","description":"Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT","status":"published","published":"2022-06-14T10:11:25Z","modified":"2024-08-04T00:33:51.18Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-21767","description":"Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT","status":"published","published":"2022-06-14T10:11:25Z","modified":"2024-08-04T00:33:51Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:30.986651Z"}],"ghsa":[{"id":"GHSA-88pj-4633-qpww","title":"Buffer copy in GATT multi notification due to improper length check for the data coming over-the...","description":"Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT","status":"published","published":"2022-06-15T00:00:27Z","modified":"2023-01-27T05:04:40Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:42:31.020352Z"}],"nvd":[{"id":"CVE-2021-35123","description":"Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT","status":"published","published":"2022-06-14T10:15:17.523Z","modified":"2026-06-17T03:57:15.19Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.3,"vector":"AV:A/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:06.501652Z"}],"osv":[{"id":"ASB-A-213239948","status":"published","published":"2022-04-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:04:22.742827Z"}]}}